Eriochrome Black-T (25g)$40.96 Eriochrome Black-T (25g) quantity Add to cart SKU: E-181-25G Category: Laboratory Testing Solutions & Chemicals Tag: E Description Description 25g of Practical Powder. Related products Bromide-Bromate, 0.100N $34.22 – $45.66 Ammonium Persulfate, Reagent Grade $29.34 – $67.02 Cupric Chloride $45.89 – $153.18 AZO Violet Indicator $12.35 – $35.12